Home / 885,856,024.40-1,328,385,905.40-340,416,280.40

Finding the Fourth Proportional to 885,856,024.40, 1,328,385,905.40 and 340,416,280.40

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Solution

The fourth proportional to 885,856,024.40, 1,328,385,905.40 and 340,416,280.40 is: 510,471,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,856,024.40 : 1,328,385,905.40 = 340,416,280.40 : x
  2. Step 2: Convert to fraction form
    885,856,024.40/1,328,385,905.40 = 340,416,280.40/x
  3. Step 3: Cross multiply
    885,856,024.40x = 1,328,385,905.40 × 340,416,280.40
  4. Step 4: Simplify right side
    885,856,024.40x = 452,204,188,852,054,272
  5. Step 5: Solve for x
    x = 452,204,188,852,054,272/885,856,024.40
  6. Step 6: Final answer
    x = 510,471,426.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.